<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			body {
				margin: 0;
			}
			.container {
				width: 90%;
				height: 900px;
				margin: 0 auto;
			}
			.header {
				width: 100%;
				height: 80px;
				background-color: #404040;
			}
			.main {
				width: 100%;
			/* 	height: 650px; */
				overflow: hidden;
			}
			.sitebar {
				width: 25%;
				/* height: 100%; */
				background-color: #CCCCCC;
				float: left;
			}
			.list li {
				list-style: none;
				margin: 50px 0;
				font-size: 32px;
				color: white;
			}
			.content {
				width: 75%;
				/* height: 100%; */
			/* 	background-color: #DDDDDD; */
				float: left;
			}
			.footer {
				width: 100%;
				height: 150px;
				background-color: #404040;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="header"></div>
			<div class="main">
				<div class="sitebar">
					<ul class="list">
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
						<li>item</li>
					</ul>
				</div>
				<div class="content">
					<h1>这是主题</h1>
					<p>
						<span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Corrupti voluptatum excepturi libero. Cum sint praesentium omnis aliquid placeat quo provident impedit necessitatibus temporibus sequi quia libero laudantium vel expedita animi.</span>
					    <span>Nihil quasi nemo libero quaerat sequi rerum aliquid eaque obcaecati blanditiis ipsa quibusdam corrupti minima eum ratione voluptatum architecto maxime cum harum ab fuga dolore voluptatibus id hic ea non?</span>
					    <span>Architecto iste dolorum blanditiis dignissimos quis odio unde cumque et! Deserunt tempora iure repudiandae minima laboriosam dolorem doloremque ducimus aliquid voluptas magnam nihil et sapiente consequuntur quo totam voluptates culpa.</span>
					</p>
				</div>
			</div>
			<div class="footer"></div>
		</div>
	</body>
</html>
